27959830

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1$

素因数の和:205

約数の個数: 64

約数和(自身を含む): 56401920

約数和(自身を除く): 28442090

約数列:

[1, 2, 5, 10, 19, 31, 38, 47, 62, 94, 95, 101, 155, 190, 202, 235, 310, 470, 505, 589, 893, 1010, 1178, 1457, 1786, 1919, 2914, 2945, 3131, 3838, 4465, 4747, 5890, 6262, 7285, 8930, 9494, 9595, 14570, 15655, 19190, 23735, 27683, 31310, 47470, 55366, 59489, 90193, 118978, 138415, 147157, 180386, 276830, 294314, 297445, 450965, 594890, 735785, 901930, 1471570, 2795983, 5591966, 13979915, 27959830]

約数ペア:

[(1, 27959830), (2, 13979915), (5, 5591966), (10, 2795983), (19, 1471570), (31, 901930), (38, 735785), (47, 594890), (62, 450965), (94, 297445), (95, 294314), (101, 276830), (155, 180386), (190, 147157), (202, 138415), (235, 118978), (310, 90193), (470, 59489), (505, 55366), (589, 47470), (893, 31310), (1010, 27683), (1178, 23735), (1457, 19190), (1786, 15655), (1919, 14570), (2914, 9595), (2945, 9494), (3131, 8930), (3838, 7285), (4465, 6262), (4747, 5890)]